9998358 has 8 divisors (see below), whose sum is σ = 19996728. Its totient is φ = 3332784.

The previous prime is 9998333. The next prime is 9998377. The reversal of 9998358 is 8538999.

It is a sphenic number, since it is the product of 3 distinct primes.

9998358 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 9998358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833191 + ... + 833202.

It is an arithmetic number, because the mean of its divisors is an integer number (2499591).

Almost surely, 2^9998358 is an apocalyptic number.

9998358 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9998358 is a wasteful number, since it uses less digits than its factorization.

9998358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666398.

The product of its digits is 699840, while the sum is 51.

The square root of 9998358 is about 3162.0180265141. The cubic root of 9998358 is about 215.4316764185.

The spelling of 9998358 in words is "nine million, nine hundred ninety-eight thousand, three hundred fifty-eight".